News, delivery expected in Q3 2026, price to be defined. Trenitalia Pop ETR 104 train in the four-car version used for regional and interregional services throughout Italy, ep.VI For the DCC Sound version, art. 79109. Italian trainset POP ETR 104, formed by four cars as used for regional and mid-distance service in Italy. Trenitalia Pop ETR 104 train in the four-part version, which was used for regional and interregional traffic throughout Italy.